rational.rb: avoid 'NaNi` representation.

Use `NaN*i` as CRuby does.

rational.rb: avoid 'NaNi` representation.
Use `NaN*i` as CRuby does.
dc5d74dd · Yukihiro "Matz" Matsumoto · 6e1a1336 · dc5d74dd
Unverified Commit dc5d74dd authored Mar 24, 2021 by Yukihiro "Matz" Matsumoto
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mrbgems/mruby-complex/mrblib/complex.rb mrbgems/mruby-complex/mrblib/complex.rb +1 -1

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--- a/mrbgems/mruby-complex/mrblib/complex.rb
+++ b/mrbgems/mruby-complex/mrblib/complex.rb
@@ -8,7 +8,7 @@ class Complex < Numeric
  end

  def to_s
-    "#{real}#{'+' unless imaginary < 0}#{imaginary}i"
+    "#{real}#{'+' unless imaginary < 0}#{imaginary}#{'*' unless imaginary.finite?}i"
  end

  def +@